Sue Reibel was named CEO of John Hancock Retirement, the U.S. retirement plan and record-keeping business of Manulife Investment Management.
She replaces Patrick Murphy, who is on long-term medical leave and will be resigning to focus fully on his health and recovery.
Ms. Reibel was previously Manulife Investment Management's global head of retirement. A search for a permanent replacement is underway, confirmed company spokeswoman Elizabeth Bartlett in an email. Until a replacement is named, Ms. Reibel and other members of Manulife Investment Management's senior leadership team will handle the responsibilities of the role.
John Hancock had more than $212 billion in assets under management and administration as of March 31.